276 flathead test drive big improvement.........but?

[36tudordeluxe]

Originally Posted by 51 MERC-CT

Now that you have set to a lean setting and it is running, adjust for best vacuum and idle.
If the spark plug adapter is what I think it is, it's nothing more than a metal conductor that fits between the plug and plug wire to provide a spot to clamp the sensor. (nothing fancy and probably can be made up out of available materials.)

Have ordered timing light from Amazon, won't be here until the 10th. By adjusting do you mean rotating the distributor?

[51 MERC-CT]

Originally Posted by 36tudordeluxe

Have ordered timing light from Amazon, won't be here until the 10th. By adjusting do you mean rotating the distributor?

By adjusting, I mean the IDLE MIXTURE SCREWS